Select until 29 June
Totals VRS De Haar 2016 - 2025
| Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Newly ringed | Retraps | Year Maximum | |||||
| 1. | Canada Goose | 0 | 82 | 0 | 0 | 2 | 1 | 15 | 1 | 10 | 13 | 124 | 12 | 121 | 3 | 82 (2017) | ||||
| 2. | Canada X Greylag Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.1 | 1 | 0 | 1 (2025) | ||||
| 3. | Barnacle Goose | 0 | 17 | 22 | 9 | 0 | 0 | 7 | 0 | 0 | 0 | 55 | 5.5 | 39 | 16 | 22 (2018) | ||||
| 4. | Greylag Goose | 6 | 142 | 0 | 0 | 1 | 0 | 27 | 0 | 0 | 1 | 177 | 18 | 177 | 0 | 142 (2017) | ||||
| 5. | Domestic Goose | 0 | 6 | 0 | 0 | 7 | 1 | 2 | 1 | 0 | 0 | 17 | 1.7 | 15 | 2 | 7 (2020) | ||||
| 6. | Feral Mallard | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.1 | 1 | 0 | 1 (2025) | ||||
| 7. | Mute Swan | 1 | 31 | 53 | 48 | 96 | 107 | 71 | 63 | 22 | 1 | 493 | 49 | 389 | 104 | 107 (2021) | ||||
| 8. | Whooper Swan | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0.4 | 2 | 2 | 4 (2017) | ||||
| 9. | Egyptian Goose | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 3 | 0.3 | 3 | 0 | 3 (2021) | ||||
| 10. | Mallard | 4 | 8 | 1 | 64 | 8 | 40 | 4 | 2 | 0 | 0 | 131 | 13 | 125 | 6 | 64 (2019) | ||||
| 11. | Teal | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 3 | 1 | 0 | 7 | 0.7 | 7 | 0 | 3 (2023) | ||||
| 12. | Pheasant | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0.2 | 2 | 0 | 1 (2016) | ||||
| 13. | Quail | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | ||||
| 14. | Cuckoo | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 1 | 0 | 1 (2024) | ||||
| 15. | Feral Pigeon | 0 | 0 | 0 | 0 | 4 | 8 | 5 | 55 | 9 | 21 | 102 | 10 | 101 | 1 | 55 (2023) | ||||
| 16. | Stock Dove | 2 | 33 | 15 | 17 | 4 | 0 | 4 | 3 | 0 | 0 | 78 | 7.8 | 75 | 3 | 33 (2017) | ||||
| 17. | Woodpigeon | 6 | 6 | 1 | 4 | 2 | 1 | 0 | 1 | 1 | 1 | 23 | 2.3 | 23 | 0 | 6 (2016) | ||||
| 18. | Collared Dove | 1 | 5 | 0 | 5 | 7 | 2 | 0 | 0 | 1 | 0 | 21 | 2.1 | 19 | 2 | 7 (2020) | ||||
| 19. | Water Rail | 2 | 7 | 0 | 5 | 0 | 6 | 13 | 38 | 10 | 0 | 81 | 8.1 | 80 | 1 | 38 (2023) | ||||
| 20. | Moorhen | 0 | 1 | 1 | 4 | 0 | 2 | 1 | 1 | 0 | 0 | 10 | 1 | 10 | 0 | 4 (2019) | ||||
| 21. | Coot | 2 | 0 | 1 | 15 | 20 | 23 | 8 | 10 | 1 | 0 | 80 | 8 | 79 | 1 | 23 (2021) | ||||
| 22. | Oystercatcher | 17 | 10 | 17 | 16 | 6 | 0 | 2 | 1 | 4 | 1 | 74 | 7.4 | 70 | 4 | 17 (2016) | ||||
| 23. | Little Ringed Plover | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 2 (2018) | ||||
| 24. | Lapwing | 99 | 137 | 53 | 60 | 15 | 15 | 3 | 2 | 3 | 3 | 390 | 39 | 304 | 86 | 137 (2017) | ||||
| 25. | Black-tailed Godwit | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0.2 | 2 | 0 | 1 (2017) | ||||
| 26. | Jack Snipe | 4 | 6 | 0 | 1 | 0 | 1 | 2 | 2 | 1 | 0 | 17 | 1.7 | 17 | 0 | 6 (2017) | ||||
| 27. | Woodcock | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 19 | 0 | 0 | 26 | 2.6 | 25 | 1 | 19 (2023) | ||||
| 28. | Snipe | 29 | 5 | 0 | 2 | 0 | 1 | 4 | 37 | 12 | 0 | 90 | 9 | 87 | 3 | 37 (2023) | ||||
| 29. | Common Sandpiper | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | ||||
| 30. | Green Sandpiper | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2016) | ||||
| 31. | Redshank | 3 | 2 | 1 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 12 | 1.2 | 12 | 0 | 5 (2019) | ||||
| 32. | Common Tern | 0 | 0 | 130 | 76 | 19 | 0 | 0 | 0 | 0 | 0 | 225 | 23 | 157 | 68 | 130 (2018) | ||||
| 33. | Black-headed Gull | 0 | 7 | 0 | 0 | 31 | 154 | 46 | 86 | 13 | 24 | 361 | 36 | 352 | 9 | 154 (2021) | ||||
| 34. | Common Gull | 0 | 0 | 0 | 0 | 1 | 79 | 10 | 10 | 0 | 16 | 116 | 12 | 114 | 2 | 79 (2021) | ||||
| 35. | Herring Gull | 0 | 0 | 0 | 0 | 4 | 3 | 0 | 5 | 3 | 11 | 26 | 2.6 | 26 | 0 | 11 (2025) | ||||
| 36. | Great Black-backed Gull | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | ||||
| 37. | Lesser Black-backed Gull | 0 | 0 | 1 | 0 | 0 | 4 | 0 | 5 | 0 | 10 | 20 | 2 | 19 | 1 | 10 (2025) | ||||
| 38. | White Stork | 0 | 0 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0.5 | 5 | 0 | 4 (2019) | ||||
| 39. | Cormorant | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 0 | 7 | 0.7 | 7 | 0 | 7 (2021) | ||||
| 40. | Night Heron | 0 | 0 | 9 | 13 | 26 | 18 | 14 | 7 | 2 | 0 | 89 | 8.9 | 86 | 3 | 26 (2020) | ||||
| 41. | Grey Heron | 0 | 0 | 0 | 9 | 17 | 18 | 0 | 7 | 19 | 4 | 74 | 7.4 | 69 | 5 | 19 (2024) | ||||
| 42. | Sparrowhawk | 0 | 0 | 0 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 0.5 | 4 | 1 | 4 (2019) | ||||
| 43. | Goshawk | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 5 | 0.5 | 4 | 1 | 2 (2023) | ||||
| 44. | Common Buzzard | 7 | 7 | 5 | 2 | 3 | 2 | 0 | 14 | 11 | 8 | 59 | 5.9 | 37 | 22 | 14 (2023) | ||||
| 45. | Barn Owl | 8 | 163 | 107 | 323 | 93 | 157 | 116 | 177 | 99 | 49 | 1292 | 129 | 991 | 301 | 323 (2019) | ||||
| 46. | Little Owl | 0 | 58 | 83 | 92 | 97 | 72 | 82 | 106 | 88 | 127 | 805 | 81 | 622 | 183 | 127 (2025) | ||||
| 47. | Long-eared Owl | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 5 | 0 | 0 | 9 | 0.9 | 9 | 0 | 5 (2023) | ||||
| 48. | Tawny Owl | 2 | 16 | 10 | 9 | 5 | 8 | 5 | 13 | 7 | 4 | 79 | 7.9 | 75 | 4 | 16 (2017) | ||||
| 49. | Kingfisher | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0.6 | 5 | 1 | 3 (2016) | ||||
| 50. | Great Spotted Woodpecker | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 0 | 5 | 0.5 | 5 | 0 | 3 (2024) | ||||
| Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Newly ringed | Retraps | Year Maximum | |||||
| 51. | Kestrel | 28 | 166 | 284 | 407 | 512 | 421 | 399 | 471 | 336 | 300 | 3324 | 332 | 3084 | 240 | 512 (2020) | ||||
| 52. | Jay | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 5 | 0.5 | 5 | 0 | 3 (2017) | ||||
| 53. | Magpie | 3 | 2 | 1 | 3 | 4 | 0 | 2 | 5 | 4 | 1 | 25 | 2.5 | 25 | 0 | 5 (2023) | ||||
| 54. | Jackdaw | 0 | 11 | 9 | 62 | 19 | 9 | 6 | 1 | 4 | 0 | 121 | 12 | 118 | 3 | 62 (2019) | ||||
| 55. | Carrion Crow | 1 | 0 | 3 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 7 | 0.7 | 7 | 0 | 3 (2018) | ||||
| 56. | Blue Tit | 55 | 31 | 28 | 29 | 19 | 27 | 15 | 38 | 21 | 23 | 286 | 29 | 256 | 30 | 55 (2016) | ||||
| 57. | Great Tit | 96 | 138 | 85 | 93 | 98 | 68 | 54 | 67 | 56 | 67 | 822 | 82 | 756 | 66 | 138 (2017) | ||||
| 58. | Skylark | 0 | 16 | 0 | 1 | 0 | 0 | 2 | 72 | 0 | 0 | 91 | 9.1 | 91 | 0 | 72 (2023) | ||||
| 59. | Sand Martin | 1406 | 1314 | 566 | 1084 | 444 | 1160 | 311 | 653 | 1198 | 298 | 8434 | 843 | 4612 | 3822 | 1406 (2016) | ||||
| 60. | Swallow | 115 | 362 | 177 | 18 | 35 | 4 | 0 | 0 | 0 | 0 | 711 | 71 | 683 | 28 | 362 (2017) | ||||
| 61. | House Martin | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2018) | ||||
| 62. | Long-tailed Tit | 1 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 10 | 1 | 10 | 0 | 7 (2018) | ||||
| 63. | Willow Warbler | 0 | 3 | 3 | 1 | 3 | 1 | 0 | 0 | 0 | 0 | 11 | 1.1 | 10 | 1 | 3 (2017) | ||||
| 64. | Chiffchaff | 26 | 11 | 4 | 1 | 5 | 5 | 0 | 3 | 2 | 0 | 57 | 5.7 | 53 | 4 | 26 (2016) | ||||
| 65. | Sedge Warbler | 4 | 4 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 12 | 1.2 | 12 | 0 | 4 (2016) | ||||
| 66. | Reed Warbler | 30 | 33 | 9 | 4 | 2 | 4 | 0 | 3 | 0 | 0 | 85 | 8.5 | 83 | 2 | 33 (2017) | ||||
| 67. | Marsh Warbler | 7 | 4 | 13 | 8 | 10 | 7 | 0 | 0 | 1 | 0 | 50 | 5 | 48 | 2 | 13 (2018) | ||||
| 68. | Icterine Warbler | 1 | 2 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 5 | 0.5 | 5 | 0 | 2 (2017) | ||||
| 69. | Savi's Warbler | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 1 (2016) | ||||
| 70. | Grasshopper Warbler | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0.4 | 4 | 0 | 2 (2017) | ||||
| 71. | Blackcap | 34 | 7 | 2 | 3 | 0 | 4 | 0 | 1 | 0 | 0 | 51 | 5.1 | 51 | 0 | 34 (2016) | ||||
| 72. | Garden Warbler | 0 | 3 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 6 | 0.6 | 6 | 0 | 3 (2017) | ||||
| 73. | Lesser Whitethroat | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | ||||
| 74. | Blyth's Lesser Whitethroat | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.1 | 1 | 0 | 1 (2025) | ||||
| 75. | Whitethroat | 20 | 5 | 8 | 5 | 9 | 8 | 0 | 4 | 0 | 0 | 59 | 5.9 | 59 | 0 | 20 (2016) | ||||
| 76. | Goldcrest | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2018) | ||||
| 77. | Wren | 26 | 7 | 1 | 0 | 3 | 0 | 0 | 0 | 3 | 0 | 40 | 4 | 35 | 5 | 26 (2016) | ||||
| 78. | Nuthatch | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 1.3 | 11 | 2 | 13 (2016) | ||||
| 79. | Short-toed Tree Creeper | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 2 (2017) | ||||
| 80. | Starling | 8 | 175 | 61 | 93 | 75 | 104 | 126 | 153 | 109 | 100 | 1004 | 100 | 1004 | 0 | 175 (2017) | ||||
| 81. | Song Thrush | 11 | 2 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 15 | 1.5 | 15 | 0 | 11 (2016) | ||||
| 82. | Redwing | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 0.3 | 3 | 0 | 2 (2016) | ||||
| 83. | Blackbird | 15 | 19 | 6 | 0 | 0 | 2 | 1 | 0 | 6 | 0 | 49 | 4.9 | 48 | 1 | 19 (2017) | ||||
| 84. | Spotted Flycatcher | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0.6 | 6 | 0 | 5 (2016) | ||||
| 85. | Robin | 31 | 2 | 6 | 1 | 2 | 2 | 0 | 0 | 6 | 0 | 50 | 5 | 47 | 3 | 31 (2016) | ||||
| 86. | Bluethroat | 5 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 10 | 1 | 10 | 0 | 5 (2016) | ||||
| 87. | White-spotted Bluethroat | 9 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 1.7 | 16 | 1 | 9 (2016) | ||||
| 88. | Stonechat | 1 | 11 | 0 | 0 | 1 | 0 | 0 | 2 | 1 | 0 | 16 | 1.6 | 14 | 2 | 11 (2017) | ||||
| 89. | Tree Sparrow | 12 | 6 | 0 | 4 | 0 | 8 | 0 | 0 | 0 | 0 | 30 | 3 | 28 | 2 | 12 (2016) | ||||
| 90. | House Sparrow | 10 | 18 | 18 | 18 | 12 | 18 | 0 | 4 | 3 | 0 | 101 | 10 | 99 | 2 | 18 (2017) | ||||
| 91. | Dunnock | 7 | 0 | 1 | 0 | 2 | 1 | 0 | 0 | 5 | 0 | 16 | 1.6 | 13 | 3 | 7 (2016) | ||||
| 92. | White Wagtail | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0.5 | 5 | 0 | 5 (2017) | ||||
| 93. | Meadow Pipit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.1 | 1 | 0 | 1 (2025) | ||||
| 94. | Chaffinch | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 11 | 1.1 | 11 | 0 | 8 (2016) | ||||
| 95. | Greenfinch | 2 | 16 | 0 | 1 | 4 | 0 | 0 | 0 | 6 | 0 | 29 | 2.9 | 28 | 1 | 16 (2017) | ||||
| 96. | Linnet | 1 | 0 | 1 | 1 | 3 | 0 | 0 | 1 | 0 | 0 | 7 | 0.7 | 7 | 0 | 3 (2020) | ||||
| 97. | Goldfinch | 13 | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 19 | 1.9 | 19 | 0 | 13 (2016) | ||||
| 98. | Reed Bunting | 18 | 6 | 3 | 0 | 8 | 1 | 0 | 0 | 0 | 0 | 36 | 3.6 | 34 | 2 | 18 (2016) | ||||
| Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Newly ringed | Retraps | Year Maximum | |||||
| Totals | 2225 | 3159 | 1820 | 2631 | 1748 | 2596 | 1363 | 2157 | 2090 | 1089 | 20878 | 2088 | 15820 | 5058 | ||||||
| Observation hours | 153:20 | 268:46 | 572:55 | 608:14 | 653:06 | 802:00 | 668:21 | 672:39 | 559:00 | 379:42 | 5,338:03 | 533:48 | ||||||||
